<template>
  <div class="login">
    <div class="container">
      <div class="login-desk">
        <el-row>
          <!--左边-->
          <el-col :span="14" :xs="24">
            <div class="detail-box">
              <div class="detailsh">
                <img class="help" src="../assets/images/login-banner2.png" alt />
                <h3>MetaBoot 基础管理平台</h3>
                <p>
                  基于开源项目RuoYi-Vue优化改造，追求快速开发，一切向效率看齐。
                  <br />平台将持续升级，持续完善，重构优化前后端的代码。
                  <br />欢迎友友们收藏和点赞。
                </p>
              </div>
            </div>
          </el-col>
          <!--右边-->
          <el-col :span="10" :xs="24">
            <div class="loginform">
              <img
                class="logo"
                src="../assets/logo/logo.png"
                width="60px"
                height="60px"
                style="margin-bottom: 20px;"
                alt
              />
              <h4 style="margin-bottom: 20px;">欢迎登录</h4>
              <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-det">
                <el-form-item prop="username">
                  <el-input
                    v-model="loginForm.username"
                    type="text"
                    auto-complete="off"
                    placeholder="账号"
                  >
                    <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
                  </el-input>
                </el-form-item>
                <el-form-item prop="password">
                  <el-input
                    v-model="loginForm.password"
                    type="password"
                    auto-complete="off"
                    placeholder="密码"
                    @keyup.enter.native="handleLogin"
                  >
                    <svg-icon
                      slot="prefix"
                      icon-class="password"
                      class="el-input__icon input-icon"
                    />
                  </el-input>
                </el-form-item>
                <el-form-item prop="code" v-if="captchaOnOff">
                  <el-input
                    v-model="loginForm.code"
                    auto-complete="off"
                    placeholder="验证码"
                    style="width:58%; float:left;"
                    @keyup.enter.native="handleLogin"
                  >
                    <svg-icon
                      slot="prefix"
                      icon-class="validCode"
                      class="el-input__icon input-icon"
                    />
                  </el-input>
                  <div class="login-code">
                    <img :src="codeUrl" @click="getCode" class="login-code-img">
                  </div>
                </el-form-item>
                <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 24px 0px; float:left;color: #fff;">记住密码</el-checkbox>
                <el-form-item style="width:100%;">
                  <el-button
                    :loading="loading"
                    size="medium"
                    type="primary"
                    style="width:100%;"
                    @click.native.prevent="handleLogin"
                  >
                    <span v-if="!loading">登 录</span>
                    <span v-else>登 录 中...</span>
                  </el-button>
                  <div style="float: right;" v-if="register">
                    <router-link class="link-type" :to="'/register'">立即注册</router-link>
                  </div>
                </el-form-item>
              </el-form>
            </div>
          </el-col>
        </el-row>
      </div>
    </div>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2021-2022 metaboot.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaOnOff: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaOnOff =
          res.captchaOnOff === undefined ? true : res.captchaOnOff;
        if (this.captchaOnOff) {
          // this.codeUrl = "data:image/gif;base64," + res.img;
          this.codeUrl = res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" }).catch(() => {});
            })
            .catch(() => {
              this.loading = false;
              if (this.captchaOnOff) {
                this.getCode();
              }
            });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background1.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-left {
  width: 350px;
  height: 400px;
  border-top-left-radius: 6px;
  border-bottom-left-radius: 6px;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 42%;
  height: 30px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.login-code-img {
  height: 34px;
  margin:1px 0px 5px 0px;
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: rgb(126, 124, 124);
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}


.container {
  max-width: 1170px;
  @media screen and (max-width: 575px) {
    padding: 10px 15px;
  }
}
.login-desk {
  filter: drop-shadow(0 0 13.5px rgba(0, 0, 0, 0.09));
  margin-top: 5%;
  margin-bottom: 5%;
  .detail-box {
    background-color: #fff;
    padding: 20px;
    .logo {
      width: 130px;
    }
    .help {
      width: 450px;
      margin-top: 30px;
      margin-bottom: 50px;
    }
    .detailsh {
      text-align: center;
      h3 {
        font-size: 1.2rem;
        margin-bottom: 15px;
      }
      p {
        font-size: 0.8rem;
      }
    }
  }
  .loginform {
    background-color: #4c56c0;
    text-align: center;
    color: #fff;
    a {
      color: #fff;
    }
    h4 {
      color: #fff;
      font-size: 1.3rem;
    }
    p {
      font-size: 0.8rem;
      margin-bottom: 50px;
    }
    padding: 50px;
    .login-det {
      .form-row {
        margin-top: 20px;
        label {
          font-size: 0.85rem;
        }
      }
    }
    .forget {
      text-align: right;
    }
    .social-link {
      ul {
        float: right;
        margin-top: 30px;
        li {
          float: left;
          padding: 15px;
          font-size: 0.9rem;
        }
      }
    }
  }
}
::-webkit-input-placeholder {
  /* Chrome/Opera/Safari */
  color: #fff !important;
}
::-moz-placeholder {
  /* Firefox 19+ */
  color: #fff !important;
}
:-ms-input-placeholder {
  /* IE 10+ */
  color: #fff !important;
}
:-moz-placeholder {
  /* Firefox 18- */
  color: #fff !important;
}
</style>
